WATER TREATMENT SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a water treatment system capable of washing a filtering screen and a protective pipe, and largely reducing running cost, without using electric power. SOLUTION: This water treatment system comprises a vessel 1 equipped with a filtering chamber 101 provided with the cylindrical screen 2 filtering raw water and a drain chamber 102 equipped with an on-off valve 4; a rotary washer 3 equipped with a suction nozzle 3b in the filtering chamber 101 and a discharge port 3c in the drain chamber 102; and an ultraviolet irradiation unit 11 equipped in the filtering chamber 101. COPYRIGHT: (C)2007,JPO&INPIT